Radiation

Blackbody

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How does the blackbody spectrum of the Sun work compared to visible light? Learn about the blackbody spectrum of the sun, a light bulb, a furnace, and the earth. Adjust the temperature to see the wavelength and intensity of the spectrum changes. See the color of the peak of the spectral curve.

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Star radiation

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The color of a star depends on its surface temperature and can be red, yellow, white, or blue. The higher the temperature, the bluer the star; the lower the temperature, the redder the star. Therefore, by observing the color of the star, its temperature can be deduced.

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Equilibrium of radiation on Earth

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This animation summarizes the various factors involved in the Earth's radiation balance.

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